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NSN 5305-00-420-0665

High Torque Screw

About this product

Between 0.595 inches and 0.642 inches fastener length, flat countersunk head style, between 0.376 inches and 0.385 inches head diameter, grip diameter: between 0.1885 inches and 0.1894 inches .

Manufacturer part number SFT930-3-6 for national stock number 5305004200665.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-420-0665.

  • MPN or Model

    SFT930-3-6

  • Schedule B
    8112.99.1000 (Germanium and articles thereof, wrought, waste and scrap, powders, nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.210 inches and 0.277 inches
  • Fastener Length
    Between 0.595 inches and 0.642 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.376 inches and 0.385 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1894 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.192 inches
  • Grip Length
    Between 0.365 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    300000 pounds per square inch
  • Hardness Rating
    55.0 rockwell c and 55.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Vanadium
  • Material Specification
    Vasco jet m-a 81755 mfr ref single material response
  • Surface Treatment
    Nickel and cadmium
  • Surface Treatment Specification
    Ams 2416 assn standard all treatment responses
  • Thread Series Designator
    Unjf
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Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305004200665

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SFT930-3-6 Sps Technologies, Llc
VS2787T3C6 Alcoa Global Fasteners, Inc.
C079-3-6 Lockheed Martin Corporation
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